/***************************************************************************
 *   Copyright (C) 2007 by Andrzej Oczkowicz   *
 *   andrew_lz@poczta.fm   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/


#include <QByteArray>
#include <QFile>
#include <QDataStream>
#include <QFileInfo>
#include <iostream>

int main(int argc, char *argv[])
{
  QString file(argv[1]);
  if ( !QFileInfo(file).exists() )
    std::cerr << "Brak pliku: " << file.toStdString() << std::endl;
  QFile f(file);
  if ( ! f.open( QIODevice::ReadOnly ) ){
    std::cout << 0 << std::endl;
    return 0;
  }
  QDataStream s(&f);
  char *b = new char [ f.size() ];
  s.readRawData(b, f.size());
  quint16 crc = qChecksum(b, f.size());
  std::cout << crc << std::endl;
  return 0;
}

